<?php
namespace Home\Controller;
/**
 * 获取子栏目列表
 * @param type $pid 关联id
 * @return son_data_list
 */
function nav_list($pid) {
  echo '123';
  die;
    $where['pid'] = $pid;
    $son_data_list = M('admin_nav')->where($where)->select();
    return $son_data_list;
}
